uniapp使用国际化

以下是new VueI18n里面的配置，VueI18n方法可以打印出来，是存在的，为啥一直报错，哪一个不对呢

{locale: 'zh-CN', messages: {…}}
locale: "zh-CN"
messages:
en: {Main: {…}}
zh-CN: {Main: {…}}

错误：
Uncaught TypeError: Cannot read properties of undefined (reading 'config')
at VueI18n._initVM (chunk-vendors.js:36263:20)
at new VueI18n (chunk-vendors.js:36202:8)
at eval (index.js:22:14)
at Object.../../../myTarget/telecomRecharge/lang/index.js (index.js:1104:1)
at webpack_require (index.js:854:30)
at fn (index.js:151:20)
at eval (main.js:11:1)
at Object.../../../myTarget/telecomRecharge/main.js (index.js:1128:1)
at webpack_require (index.js:854:30)
at fn (index.js:151:20)